<template>
  <h3>Son子级组件</h3>
  <hr />
  <GrandSon />
</template>
<script lang="ts">
import { defineComponent } from 'vue'
import GrandSon from './GrandSon.vue'
export default defineComponent({
  name: 'Son',
  components: {
    GrandSon,
  },
})
</script>